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use EnumMap;
use Internal;
use core::hash::{Hash, Hasher};
use core::ops::{Index, IndexMut};
impl<K: Internal<V>, V> Clone for EnumMap<K, V>
where K::Array: Clone
{
fn clone(&self) -> Self {
EnumMap { array: self.array.clone() }
}
}
impl<K: Internal<V>, V> Copy for EnumMap<K, V> where K::Array: Copy {}
impl<K: Internal<V>, V> PartialEq for EnumMap<K, V>
where K::Array: PartialEq
{
fn eq(&self, other: &Self) -> bool {
self.array == other.array
}
}
impl<K: Internal<V>, V> Eq for EnumMap<K, V> where K::Array: Eq {}
impl<K: Internal<V>, V> Hash for EnumMap<K, V>
where K::Array: Hash
{
fn hash<H: Hasher>(&self, state: &mut H) {
self.array.hash(state);
}
}
impl<K: Internal<V>, V> Default for EnumMap<K, V>
where K::Array: Default
{
fn default() -> Self {
EnumMap { array: K::Array::default() }
}
}
impl<K: Internal<V>, V> Index<K> for EnumMap<K, V> {
type Output = V;
fn index(&self, key: K) -> &V {
&K::slice(&self.array)[key.to_usize()]
}
}
impl<K: Internal<V>, V> IndexMut<K> for EnumMap<K, V> {
fn index_mut(&mut self, key: K) -> &mut V {
&mut K::slice_mut(&mut self.array)[key.to_usize()]
}
}